.It is a potent and long acting drug. Topically it is highly effective. Even topical application is not safe as it may penetrate in to the skin and may cause serious side effects. Long term use can result in local skin atrophy, acne, overgrowth of fungus & bacteria, hypopigmentation
of skin. Glaucoma
can occur if it is applied too close to eye. Since 3 years is a long period, you have to stop gradually & not suddenly. If you are using it twice a day the make it once a day for about one week then use it on alternate days for the next week & so on.